开发雨水生物保留系统的除模型
Jiayi Li1, Teresa B Culver1, Padmini P Persaud2
1Department of Civil and Environmental Engineering, University of Virginia, 351 McCormick Road, Charlottesville, VA, 22904, United States.
Water research
|July 30, 2023
概括
新的模型通过精确模拟去除来提高生物保留系统的性能. 这些先进的去除模型 (NRM) 更好地预测废水度,提高雨水管理.
科学领域:
- 环境工程 环境工程
- 水质管理水质管理
- 风暴水管理风暴水管理
背景情况:
- 生物保留系统可以减少排水量,并去除.
- 内部储水 (IWS) 和实时控制 (RTC) 可以提高生物保留性能.
- 现有的模型很难模拟由IWS和环境因素影响的转换.
研究的目的:
- 开发和评估生物保留系统的去除模型 (NRM).
- 将模型性能与不同复杂度的循环 (单个池与3个池) 和动力学 (0级,1级,迈凯利斯-门登) 进行比较.
- 使用土壤湿度数据,评估模型适应IWS和RTC系统的适应性.
主要方法:
- 通过将SP和3P模型与0级,1级和迈凯利斯-门动力学结合起来,开发了6个NRM.
- 使用实验室生物保留系统数据进行校准和验证的NRM.
- 集成NRM与风暴水管理模型 (SWMM) 进行模拟和比较.
主要成果:
- 0级动力学不适合模拟生物保留系统中的去除.
- 第一阶动力学和迈凯利斯-门模型显示了类似的性能.
- 最好的模型 (3P-m) 与SWMM相比,提高了事件平均度的预测准确度20%.
- 3P-m准确地预测了IWS/RTC系统的累积质量去除率 (±7%的误差),其性能优于SWMM (-23%的误差).
结论:
- 3P模型提供了比SP模型更高的准确性和更好的生化反应速率预测.
- SP模型提供了更好的准确性与更简单的初始条件要求.
- 开发的3P-m模型增强了生物保留系统中去除的模拟,特别是那些具有IWS和RTC的系统.
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